165957894140

素因数分解:

$2^2\times 5^1\times {\mathrm{51517}}^1\times {\mathrm{161071}}^1$

素因数の和:212597

約数の個数: 24

約数和(自身を含む): 348520506432

約数和(自身を除く): 182562612292

約数列:

[1, 2, 4, 5, 10, 20, 51517, 103034, 161071, 206068, 257585, 322142, 515170, 644284, 805355, 1030340, 1610710, 3221420, 8297894707, 16595789414, 33191578828, 41489473535, 82978947070, 165957894140]

約数ペア:

[(1, 165957894140), (2, 82978947070), (4, 41489473535), (5, 33191578828), (10, 16595789414), (20, 8297894707), (51517, 3221420), (103034, 1610710), (161071, 1030340), (206068, 805355), (257585, 644284), (322142, 515170)]